We don't have many attachment options for the Sirin 9mm, but what is on offer here is fantastic. You'll want to throw on a Vertical Foregrip as soon as you can, as this fixes virtually everything ...

Honkai Impact 3rd is available for PCs and mobile devices, and the Sirin Miracle Magical Girl battlesuit will appear in the 6.9 update. The 6.8 update added the Herrscher of Rebirth Seele battlesuit.